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Vol. 54 (1)

March / Marzo 2006



Genetics and Bacteriology / Genética y Bacteriología

Lizbeth Salazar-Sánchez , Lilliana Chaves, Mayra Cartin, Gudrun Schuster, Karin Wulff, Winnie Schröder & Falko H. Herrmann
Common polymorphisms and cardiovascular factors in patients with myocardial infarction of Costa Rica

Glen Arrieta & Ana M. Espinoza
Characterization of a Bacillus thuringiensis strain collection isolated from diverse Costa Rican natural ecosystems

Ana Teresa Fournier, María del Mar Gamboa & María Laura Arias
Genes that encode botulism neurotoxins A, B, E and F in Neotropical bee honey identified with the Polymerase Chain Reaction

Lenin Arias-Rodriguez, Salomón Páramo-Delgadillo & Alicia de la Luz Durán-González
Citogenetic characterization of the tropical freshwater fish Parachromis managuensis (Pisces: Cichlidae) [Spanish]

Mario Santoro, Carlos Mario Orrego & Giovanna Hernández Gómez
Cloacal and nasal bacterial flora of Lepidochelys olivacea (Testudines: Cheloniidae) at the North Pacific coast of Costa Rica [Spanish]

A.B. Idowu, M.O. Edema & A.O. Adeyi
Distribution of bacteria and fungi in the earthworm Libyodrillus violaceous (Annelida: Oligochaeta), a native earthworm from Nigeria

Giselle Lutz, Max Chavarría, María Laura Arias & Julio F. Mata-Segreda
Microbial degradation of palm (Elaeis guineensis) biodiesel

Botany / Botánica

José A. Ramos-Zapata, Roger Orellana & Edith B. Allen
Establishment of Desmoncus orthacanthos Martius (Arecaceae): effect of inoculation with arbuscular mycorrhizae

Marco V. Gutiérrez & Louis S. Santiago
A comparison of sap flow measurements and potometry in two tropical lowland tree species with contrasting wood properties

M. Casas-Valdez, H. Hernández-Contreras, A. Marín-Álvarez, R.N. Aguila-Ramírez, C.J. Hernández-Guerrero, I. Sánchez-Rodríguez & S. Carrillo-Domínguez
The seaweed Sargassum (Sargassaceae) as tropical alternative for goats’ feeding [Spanish]

Aquatic Invertebrates / Invertebrados Acuáticos

Akinsanya B. & O.A. Otubanjo
Helminth parasites of Clarias gariepinus (Clariidae) in Lekki Lagoon, Lagos, Nigeria

A.C. Fonseca E., H.K. Dean & J. Cortés
Non-colonial coral macro-borers as indicators of coral reef status in the south Pacific of Costa Rica

Erhan Mutlu & Mehmet Betil Ergev
Dynamics and ecology of an Indo-Pacific conch, Conomurex persicus (Mollusca: Gastropoda) in southeastern Turkey

Leticia E. Torres & Kent Rylander
Diversity and abundance of littoral cladocerans and copepods in nine Ecuadorian highland lakes

Liliana A. Fernández & Mónica L. López Ruf
Aquatic Coleoptera and Heteroptera inhabiting waterbodies from Berisso, Buenos Aires province, Argentina

Ecology / Ecología

Peter M. Sherman
Influence of land crabs Gecarcinus quadratus (Gecarcinidae) on distributions of organic carbon and roots in a Costa Rican rain forest

Aquatic Invertebrates / Invertebrados Acuáticos

Marina Y. De la Vega-Salazar
Conservation status of Goodeidae familiy fishes (Cyprinodontiformes) from the Mexican Central Plateau [Spanish]

Tabares, C.J., Montoya A.F., Arboleda L., Echeverri A., Restrepo L.F. & Olivera-Angel M.
Effect of pluviosity and sun shine on sperm production and seminal characteristics of the fish Brycon henni (Pisces: Characidae) [Spanish]

Carlos González-Gándara, Silvia del Carmen Trinidad-Martínez & Víctor Manuel Chávez-Morales
Ichthyofauna associated to Thalassia testudinum at Lobos Reef, Veracruz, Mexico: diversity and abundance [Spanish]

G. Lucano-Ramírez, S. Ruiz-Ramírez & J.A. Rojo-Vázquez
Size composition and reproductive cycle of Pseudupeneus grandisquamis (Pisces: Mullidae) in the Central Mexican Pacific [Spanish]

César Román-Valencia, Raquel I. Ruiz C. & Ramiro Barriga
Una nueva especie de pez del género Hemibrycon (Characiformes: Characidae) [Spanish]

Terrestrial Vertebrates / Vertebrados Terrestres

Jesús Pacheco, Gerardo Ceballos, Gretchen C. Daily, Paul R. Ehrlich, Gerardo Suzán, Bernal Rodríguez-Herrera & Erika Marcé
Diversity, natural history and conservation of mammals from San Vito de Coto Brus, Costa Rica [Spanish]